Table 1 Metadata Proportion Comparisons Between Youth and Adults.

From: Patterns of Oral Microbiota Diversity in Adults and Children: A Crowdsourced Population Study

Metadata CategoryAge Groupp-value
Adult (n = 172)Youth (n = 179) 
Age, years (mean, median, range)(34.15, 33, 20–75)(10.12, 10, 8–16)<0.0001
Male49 (28.49%)71 (39.66%)0.0301
White146 (84.88%)157 (87.71%)0.4411
BMI (mean, median, range)(27.15, 24.2, 17.2–51)(17.65, 16.8, 13.5–30.7)<0.0001
% Body Fat (mean, median, range)(30.14, 29.5, 7.5–53.3)(17.011, 15.5, 1.3–43.1)<0.0001
Last Cavity  <0.0001
Never26 (15.12%)75 (41.9%) 
<3 mos ago15 (8.72%)9 (5.03%) 
3–6 mos ago10 (5.81%)13 (7.26%) 
6–12 mos ago6 (3.49%)17 (9.5%) 
1–2 yrs ago28 (16.28%)36 (20.11%) 
2 + yrs ago87 (50.58%)29 (16.2%) 
Periodontal Disease  0.0001
Yes10 (5.81%)0(0%) 
No130 (75.58%)162 (90.5%) 
Unsure32 (18.6%)17 (9.5%) 
Last Dentist Visit  <0.0001
<3 mos ago52 (30.23%)72 (40.22%) 
4–6 mos ago42 (24.42%)72 (40.22%) 
6–12 mos ago29 (16.86%)21 (11.73%) 
1 + yrs ago49 (28.49%)14 (7.82%) 
Brush Teeth Daily  0.0337
0–1×40 (23.26%)64 (35.75%) 
117 (68.02%)104 (58.10%) 
3x or more15 (8.72%)11 (6.15%) 
Floss Teeth Daily  0.3190
Never80 (46.51%)86 (49.04%) 
79 (45.93%)72 (40.22%) 
2x or more13 (7.56%)21 (11.73%) 
Weight Status  <0.0001
Normal100 (58.14%)144 (80.45%) 
Overweight12 (6.98%)21 (11.73%) 
Obese60 (34.88%)14 (7.82%) 
Time Since Last Eating  0.6584
<20 min ago16 (9.30%)23 (12.85%) 
20 min – 1 hr ago36 (20.93%)38 (21.23%) 
1–2 hr ago56 (32.56%)60 (33.52%) 
2 + hr ago64 (37.21%)58 (32.4%) 
Abx In Last 6 Months  0.8532
Yes7 (4.07%)8 (4.47%) 
No165 (95.93%)171 (95.53%) 
Sweet Liker Status  <0.0001
NA0 (0%)2 (1.12%) 
Likers57 (33.14%)134 (74.86%) 
Neutral96 (55.81%)NA 
Dislikers19 (11.05%)43 (24.02%) 
  1. Chi-squared tests were used for metadata comparisons with significance determined by p < 0.05.